Trail Running calendar near Weir Wood Reservoir 2026-2027

A 10K trail run through the private grounds of Loseley Park in Guildford on 6 September 2026, with timed results, bespoke finisher medals and official event photography.

Scenic Takeley 10 km road race on 6 September 2026 with a one mile children's fun run, chip timing, finishers' medal and technical t-shirt.

A community focused 10 km trail run at Dummer Down Farm on 6 September 2026. Off road course across grass, gravel and farm tracks with chip timing, a finisher medal and an event village; part of ticket sales supports Mind.

Trail half marathon and 10 km at Lullingstone Country Park on 6 Sep 2026 with two loops, water station, marshals and a finisher medal.

A guided group trail run of about 10 km around Silent Pool and the North Downs Way, mixing wide paths and single track, with headtorch options for night runs and optional kit trials plus a complimentary alcohol free beer subject to availabi..

Evening 10 km trail run at Trifarm on mostly off road public footpaths and bridleways, part of a four race 2026 series with GPX route and on site parking.

A timed, lap-based Friday run along the Thames with flexible rock up and run starts; the £10 affiliated entry is donated to Rays of Sunshine and participants receive a double-sided charity medal.

A 100 km team endurance trek across the South Downs in September 2026, combining checkpoints, support crews and fundraising for The Gurkha Welfare Trust.

A biannual trail race around Bewl Water in Kent offering 10 km, half marathon, marathon and 50 km ultra routes with extensive lakeside trail and lane sections.

A multi-distance walk, jog and run along the River Thames from Putney Bridge to Henley in September 2026 and 2027. Distances span **10 km** to **100 km** with rest stops, catering, medical support and GPS tracking via an event app.

The Trail Côte d'Opale en Pas de Calais will take place in Wimereux from Saturday 12 September 2026 to Sunday 13 September 2026. You can run between 10 and 110 kilometers.

Three fell races around Ventnor on the Isle of Wight offer routes from 3.8 km to 21 km with notable ascent. The series follows FRA rules, has entry limits and also serves as the SEAA Fell Running Championships.

Trail running in the Surrey Hills with 10k, 21k and 42k routes on chip timed, well marked courses, aid stations and finisher medals. Starts and finishes at Shere Recreation Ground with free parking and an event village.

Ventnor Horseshoe on Sat 12 Sep 2026 offers a scenic but testing 12 km fell course around Ventnor with 443 m of climb. Part of the Isle of Wight Fell Series, it is perfect for runners seeking a tough coastal hill challenge.

Start the IOW Fell Running Series with St Boniface Fell in Ventnor on Sat 12 Sep 2026, a punchy 3.9 km race with 235 m of climbing across scenic Isle of Wight terrain. Pre entry or on the day entries welcome.

A charity ultramarathon along the Thames from Upminster to Southend offering 10, 30 and 50 mile routes on mainly tarmac and hard trails. Organised by c2c to raise funds for Prostate Cancer UK with checkpoints and on-course medical support.

A series of fully marked, fully supported trail and ultra events in the UK that focus on a welcoming, inclusive atmosphere with generous cut-offs and runnable countryside courses.

An 81 mile ultra on the John Bunyan Trail in Bedfordshire, run as a single loop to be completed within 24 hours with 1,219 metres of ascent and seven aid stations.

Phoenix Running Bedfordshire's Pick n Mix on 12 September 2026 uses a 5.3 km lapped course at Mowsbury Park. Runners choose distances from 5 km up to ultra with a flexible one hour start window and a seven hour time limit.

The Trail Longe-Côte - Hardelot will take place in Hardelot-Plage on Saturday 12 September 2026. You can run between 5 and 11 kilometers.